Seiko Cal. 3877 - 662

The Seiko 3877-662 represents an important milestone in Seiko's 1991 lineup. Powered by the 3877 caliber with 29j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-a934d9b8d7b2]

Also known as: UFO, Rally

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Navy

Jewels

29j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1991

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